TeamSnap - Sports Team, Club & League Management Software & Apps
Starters - Hacker news for sports tech
ACTIVE JumpForward - JumpForward serves over 150,000 users and 175 college athletic departments with recruiting and camp management software built to keep you compliant.
Swish - Insanely great window management
SportsSignupPlay - SportsSignupPlay is one of the leading team & league management system that lets schedule calendars, communication, Roaster, and many others, making the coaches connect with you sports families.
Scorum.com - Become a paid sports blogger